Seiko Cal. 6257 - 430

The 6257-430 is a sought-after Solar piece from Seiko's golden era. Powered by the 6257 caliber with 33j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-abd5030da326]

Also known as: Navigator, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1982

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